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--- base/process/process_metrics_freebsd.cc.orig 2019-03-15 06:25:28 UTC
+++ base/process/process_metrics_freebsd.cc
@@ -14,11 +14,14 @@
#include "base/process/process_metrics_iocounters.h"
#include "base/stl_util.h"
+#include <unistd.h> /* getpagesize() */
+#include <fcntl.h> /* O_RDONLY */
+#include <kvm.h>
+
namespace base {
ProcessMetrics::ProcessMetrics(ProcessHandle process)
- : process_(process),
- last_cpu_(0) {}
+ : process_(process) {}
// static
std::unique_ptr<ProcessMetrics> ProcessMetrics::CreateProcessMetrics(
@@ -67,6 +70,65 @@ size_t GetSystemCommitCharge() {
pagesize = getpagesize();
return mem_total - (mem_free*pagesize) - (mem_inactive*pagesize);
+}
+
+int GetNumberOfThreads(ProcessHandle process) {
+ // Taken from FreeBSD top (usr.bin/top/machine.c)
+
+ kvm_t* kd = kvm_open(NULL, "/dev/null", NULL, O_RDONLY, "kvm_open");
+ if (kd == NULL)
+ return 0;
+
+ struct kinfo_proc* pbase;
+ int nproc;
+ pbase = kvm_getprocs(kd, KERN_PROC_PID, process, &nproc);
+ if (pbase == NULL)
+ return 0;
+
+ if (kvm_close(kd) == -1)
+ return 0;
+
+ return nproc;
+}
+
+bool GetSystemMemoryInfo(SystemMemoryInfoKB *meminfo) {
+ unsigned int mem_total, mem_free, swap_total, swap_used;
+ size_t length;
+ int pagesizeKB;
+
+ pagesizeKB = getpagesize() / 1024;
+
+ length = sizeof(mem_total);
+ if (sysctlbyname("vm.stats.vm.v_page_count", &mem_total,
+ &length, NULL, 0) != 0 || length != sizeof(mem_total))
+ return false;
+
+ length = sizeof(mem_free);
+ if (sysctlbyname("vm.stats.vm.v_free_count", &mem_free, &length, NULL, 0)
+ != 0 || length != sizeof(mem_free))
+ return false;
+
+ length = sizeof(swap_total);
+ if (sysctlbyname("vm.swap_size", &swap_total, &length, NULL, 0)
+ != 0 || length != sizeof(swap_total))
+ return false;
+
+ length = sizeof(swap_used);
+ if (sysctlbyname("vm.swap_anon_use", &swap_used, &length, NULL, 0)
+ != 0 || length != sizeof(swap_used))
+ return false;
+
+ meminfo->total = mem_total * pagesizeKB;
+ meminfo->free = mem_free * pagesizeKB;
+ meminfo->swap_total = swap_total * pagesizeKB;
+ meminfo->swap_free = (swap_total - swap_used) * pagesizeKB;
+
+ return true;
+}
+
+uint64_t ProcessMetrics::GetVmSwapBytes() const {
+ NOTIMPLEMENTED();
+ return 0;
}
} // namespace base
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